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Message-ID: <20210710122446.5439-2-tinghan.shen@mediatek.com>
Date: Sat, 10 Jul 2021 20:24:46 +0800
From: Tinghan Shen <tinghan.shen@...iatek.com>
To: <ohad@...ery.com>, <bjorn.andersson@...aro.org>,
<mathieu.poirier@...aro.org>, <robh+dt@...nel.org>,
<matthias.bgg@...il.com>
CC: <linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>,
<tzungbi@...gle.com>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
Tinghan Shen <tinghan.shen@...iatek.com>
Subject: [v2 2/2] remoteproc: mediatek: Support mt8195 scp
The SCP clock design is changed on mt8195 that doesn't need to control
SCP clock on kernel side.
Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
---
drivers/remoteproc/mtk_scp.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 9679cc26895e..c31af75f947a 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -785,11 +785,13 @@ static int scp_probe(struct platform_device *pdev)
if (ret)
goto destroy_mutex;
- scp->clk = devm_clk_get(dev, "main");
- if (IS_ERR(scp->clk)) {
- dev_err(dev, "Failed to get clock\n");
- ret = PTR_ERR(scp->clk);
- goto release_dev_mem;
+ if (of_get_property(np, "clocks", NULL)) {
+ scp->clk = devm_clk_get(dev, "main");
+ if (IS_ERR(scp->clk)) {
+ dev_err(dev, "Failed to get clock\n");
+ ret = PTR_ERR(scp->clk);
+ goto release_dev_mem;
+ }
}
/* register SCP initialization IPI */
@@ -877,6 +879,7 @@ static const struct mtk_scp_of_data mt8192_of_data = {
static const struct of_device_id mtk_scp_of_match[] = {
{ .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data },
{ .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data },
+ { .compatible = "mediatek,mt8195-scp", .data = &mt8192_of_data },
{},
};
MODULE_DEVICE_TABLE(of, mtk_scp_of_match);
--
2.18.0
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